support.dell.com Setup and Safety Information 2-3• When traveling, do not place the computer in overhead storage compartmentswhere it could slide around. Do not drop your computer or subject it to othermechanical shocks.• Protect your computer, battery, and hard-disk drive from environmental hazardssuch as dirt, dust, food, liquids, temperature extremes, and overexposure tosunlight.• When you move your computer between environments with very differenttemperature and/or humidity ranges, condensation may form on or within thecomputer. To avoid damaging the computer, allow sufficient time for the moistureto evaporate before using the computer.NOTICE: When taking the computer from low-temperature conditions intoa warmer environment or from high-temperature conditions into a coolerenvironment, allow the computer to acclimate to room temperature beforeturning on power.• When you disconnect a cable, pull on its connector or on its strain-relief loop, noton the cable itself. As you pull out the connector, keep it evenly aligned to avoidbending any connector pins. Also, before you connect a cable make sure bothconnectors are correctly oriented and aligned.• Handle components with care.• Before you clean your computer, turn it off, unplug it from its power source, andremove the battery pack(s).• Clean your computer with a soft cloth dampened with water rather than withliquid or aerosol cleaners.• Clean the display with a soft, clean cloth and commercial window cleaner thatdoes not contain wax or abrasives. Apply the cleaner to the cloth; then stroke thecloth across the display in one direction, moving from the top of the display to thebottom. If the display contains grease or some other contaminant, use isopropylalcohol instead of commercial window cleaner.• If your computer gets wet or is damaged, follow the procedures described in“Troubleshooting Your Computer” in the User’s Guide. If, after following theseprocedures, you confirm that your computer is not operating properly, contactDell. (See “Getting Help” in the User’s Guide for the appropriate telephonenumber.)Connecting the AC AdapterNOTE: A partially charged battery is already installed in the computer, but Dell recom-mends that you attach the AC adapter now so that the battery can complete its chargeand the operating system setup can proceed without interruption.To connect your computer to the AC adapter, perform the following steps:1. Plug the AC adapter’s attached cable into the AC adapter connector on the com-puter (see Figure 2-1).